Engines and Components› Engines, Blocks and Components

ATK ENGINES

2002-04 GM V8 6.6 NEW TURBO

$1,553.89

SKU: A040 TB00183N

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Ships by Jun 9
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Description

The ATK HP116 Chevy LM7 5.3L Base Engine delivers 500 HP and 440 TQ. It uses an OE LM7/5.3L Iron block (bore/stroke up to 3.903” x 3.622”, displacement up to 347ci). Features include an OE GM 24-tooth reluctor wheel crankshaft, OE powder metal rods, and Hypereutectic 10.1 compression pistons with Moly rings. It has a custom performance grind Hyd. Roller camshaft, OE single roller timing chain, AFR CNC ported aluminum cylinder heads (59cc/200cc, 2.000”in/1.570”ex), and OE 1.7 ratio rocker arms with trunnion upgrade. Oil pump is a Melling M295.

Fitment

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Specifications

BrandATK ENGINES
Part NumberA040 TB00183N

Videos

Long Block VS Short | What Comes With a Crate Motor

Long Block VS Short | What Comes With a Crate Motor

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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